CN106317356A - Acenaphthene type polyphenyl copolymerized allyl phenolic aldehyde active dilute resin and preparation method thereof - Google Patents
Acenaphthene type polyphenyl copolymerized allyl phenolic aldehyde active dilute resin and preparation method thereof Download PDFInfo
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- CN106317356A CN106317356A CN201610809908.6A CN201610809908A CN106317356A CN 106317356 A CN106317356 A CN 106317356A CN 201610809908 A CN201610809908 A CN 201610809908A CN 106317356 A CN106317356 A CN 106317356A
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- resin
- allyl
- phenolic
- acenaphthene
- phenolic aldehyde
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
- C08G8/30—Chemically modified polycondensates by unsaturated compounds, e.g. terpenes
Abstract
The invention relates to an acenaphthene type polyphenyl copolymerized allyl phenolic aldehyde active dilute resin and a preparation method of the acenaphthene type polyphenyl copolymerized allyl phenolic aldehyde active dilute resin, and relates to a resin and the preparation method of the resin. The allyl phenolic aldehyde resin is generated by the reaction of compounded phenolic resin and chloropropene; the resin generates Claisen rearrangement reaction under high temperature, and further generates allyl phenolic aldehyde resin; under the same temperature, acenaphthene type cyclopentadiene ketone and allyl resin are added to generate Diels-Alder reaction; finally, phenolic hydroxyl hydrogen in phenolic resin replaced by allyl of the acenaphthene type polyphenyl copolymerized allyl phenolic aldehyde active dilute resin is obtained; the prepared resin is relatively low in viscosity, and the resin can be used as the active dilute resin for reducing resin viscosity. Besides, an acenaphthene type polyphenyl condensed ring structure with big molecular radical group is introduced, and has Diel-Alder reaction with double keys in the allyl phenolic resin under a specific condition; multiple benzene ring groups are introduced, so that the compounded resin is possessed of high temperature resistance and thermal oxidization stability.
Description
Technical field
The present invention relates to a kind of resin and preparation method thereof, particularly relate to a kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde
Activity letdown resin and preparation method thereof.
Background technology
Phenolic resin has obtained extensively application as high-performance thermosetting resin, but has in the solidification process of phenolic resin
The small-molecule substance product releases such as polycondensation water or ammonia, generally require pressurization, moreover the phenolic resin material formed when molding
Crisp, there are hole, performance the highest, therefore hinder the high-performance development of phenolic resin material.
The Chinese patent of Patent No. 200310113965.3 proposes to use chemical toughening method, manufactures Phenolic closed-cell foam.
The Chinese patent cashew nut oil modified alkyd resin of Patent No. CN200710127849.5, improves phenolic resin toughness, is used for
Prepare copper coin.The patent of invention of Publication No. CN101020736A, employs the 0.15-0.3% Fructus anacardii shell of phenol, phenol amount
Oil, the Oleum Verniciae fordii of phenol amount 0.1-0.2% and formaldehyde add by several times under sodium hydroxide catalyzed effect and synthesize, the phenolic aldehyde prepared
Resin foams by the way of adding fire retardant triphenyl phosphate, and the phenol formaldehyde foam of preparation improves hardness, reduces close
Degree.Researchers have done substantial amounts of effort to phenol aldehyde modified, but still suffer from some problems, and such as modified technique is complicated, reaction
Time is long, and efficiency is low, and cost reduction is limited.So developing a series of high-performance novel resin with phenolic structure is very
Necessary.
Summary of the invention
It is an object of the invention to provide a kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin and preparation thereof
Method, present invention phenolic hydroxyl group hydrogen in pi-allyl substituted phenolic resin, prepared resin viscosity ratio is relatively low, dilutes as activity
Resin is used for reducing resin viscosity, introduces acenaphthene formula many phenyl condensed cyclic structure that molecular radical is bigger, makes the resin of synthesis have resistance to
High temperatures and thermo oxidative stability.
It is an object of the invention to be achieved through the following technical solutions:
A kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin, has a following structure:
Formulas I
Described a kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin, described phenolic compound be phenol, cresol,
Xylenol, nonyl phenol, bisphenol-A, resorcinol, propylphenol, ethyl-phenol and one or more in Cardanol.
Described a kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin, described aldehyde compound be formaldehyde,
Acetaldehyde, butyraldehyde, polyformaldehyde and one or more in furfural.
Described a kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin, described catalyst is sodium hydroxide, hydrogen
One or more in the strong base substance such as potassium oxide.
A kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin preparation method, this preparation method includes following step
Rapid:
Phenolic compound, catalyst are sequentially added in about 60 ~ 80 DEG C of reactors, then aldehyde compound are dividedly in some parts
In reactor, high-speed stirred makes mix homogeneously, reacts 30-60min, is to slowly warm up to the programming rate of 1～5 DEG C/min
80 ~ 100 DEG C, after constant temperature stirring 1.5-2.5h, it is cooled to room temperature, with neutral with resin liquid in acetic acid, then removes under reduced pressure in system
Little molecule until no liquid discharge, obtaining thick liquid is phenolic resin；
The phenolic resin of synthesis and chloropropene are reacted generation allyl ether phenolic resin, and this resin at high temperature occurs
Claisen rearrangement reaction, and then generate allyl phenol urea formaldehyde；At identical temperature, add acenaphthene formula cyclopentadienone and pi-allyl
There is Diels-Alder reaction in resin, finally gives acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin.
Advantages of the present invention with effect is:
Acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin viscosity that the present invention provides is relatively low, can be as activity dilution tree
Fat is used for reducing resin viscosity.And introduce again acenaphthene formula many phenyl condensed cyclic structure that molecular radical is bigger, under given conditions
Occur Diels-Alder to react with the double bond in allyl phenol urea formaldehyde, introduce multiple benzene radicals, make the resin of synthesis have
Heat-resisting quantity and thermo oxidative stability, be a kind of polyaddition type high performance resin with phenolic resin structure.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment 1
The phenol solution of 100g, sodium hydroxide solution are sequentially added in about 65 DEG C of reactors, then by 65g paraformaldehyde half
Dividing in hour joins in reactor 3 times, and high-speed stirred makes mix homogeneously, reacts 30min, with the programming rate of 5 DEG C/min
It is to slowly warm up to 90 DEG C, after constant temperature stirring 1.5h, is cooled to room temperature, with neutral with resin liquid in acetic acid, then remove system under reduced pressure
In little molecule until no liquid discharge, obtaining thick liquid is phenolic resin.
The phenolic resin of synthesis and chloropropene are reacted generation allyl ether phenolic resin, and this resin at high temperature occurs
Claisen rearrangement reaction, and then generate allyl phenol urea formaldehyde.At the same temperature, 3g acenaphthene formula cyclopentadienone and alkene are added
There is Diels-Alder reaction in propyl resin, finally gives acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin.
Embodiment 2
The phenol solution of 100g, sodium hydroxide solution are sequentially added in about 65 DEG C of reactors, then by 65g paraformaldehyde half
Dividing in hour joins in reactor 3 times, and high-speed stirred makes mix homogeneously, reacts 30min, with the programming rate of 5 DEG C/min
It is to slowly warm up to 90 DEG C, after constant temperature stirring 1.5h, is cooled to room temperature, with neutral with resin liquid in acetic acid, then remove system under reduced pressure
In little molecule until no liquid discharge, obtaining thick liquid is phenolic resin.
The phenolic resin of synthesis and chloropropene are reacted generation allyl ether phenolic resin, and this resin at high temperature occurs
Claisen rearrangement reaction, and then generate allyl phenol urea formaldehyde.At the same temperature, 6g acenaphthene formula cyclopentadienone and alkene are added
There is Diels-Alder reaction in propyl resin, finally gives acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin.
Embodiment 3
The phenol solution of 100g, sodium hydroxide solution are sequentially added in about 65 DEG C of reactors, then by 65g paraformaldehyde half
Dividing in hour joins in reactor 3 times, and high-speed stirred makes mix homogeneously, reacts 30min, with the programming rate of 5 DEG C/min
It is to slowly warm up to 90 DEG C, after constant temperature stirring 1.5h, is cooled to room temperature, with neutral with resin liquid in acetic acid, then remove system under reduced pressure
In little molecule until no liquid discharge, obtaining thick liquid is phenolic resin.
The phenolic resin of synthesis and chloropropene are reacted generation allyl ether phenolic resin, and this resin at high temperature occurs
Claisen rearrangement reaction, and then generate allyl phenol urea formaldehyde.At the same temperature, 9g acenaphthene formula cyclopentadienone and alkene are added
There is Diels-Alder reaction in propyl resin, finally gives acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin.
Embodiment 4
The phenol solution of 100g, sodium hydroxide solution are sequentially added in about 65 DEG C of reactors, then by 65g paraformaldehyde half
Dividing in hour joins in reactor 3 times, and high-speed stirred makes mix homogeneously, reacts 30min, with the programming rate of 5 DEG C/min
It is to slowly warm up to 90 DEG C, after constant temperature stirring 1.5h, is cooled to room temperature, with neutral with resin liquid in acetic acid, then remove system under reduced pressure
In little molecule until no liquid discharge, obtaining thick liquid is phenolic resin.
The phenolic resin of synthesis and chloropropene are reacted generation allyl ether phenolic resin, and this resin at high temperature occurs
Claisen rearrangement reaction, and then generate allyl phenol urea formaldehyde.At the same temperature, 12g acenaphthene formula cyclopentadienone and alkene are added
There is Diels-Alder reaction in propyl resin, finally gives acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin.
Comparative example
The phenol solution of 100g, sodium hydroxide solution are sequentially added in about 65 DEG C of reactors, then by 65g paraformaldehyde half
Dividing in hour joins in reactor 3 times, and high-speed stirred makes mix homogeneously, reacts 30min, with the programming rate of 5 DEG C/min
It is to slowly warm up to 90 DEG C, after constant temperature stirring 1.5h, is cooled to room temperature, with neutral with resin liquid in acetic acid, then remove system under reduced pressure
In little molecule until no liquid discharge, obtaining thick liquid is phenolic resin.
Acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin prepared by the embodiment of the present invention and common phenolic aldehyde tree
The performance comparison of fat such as following table:
As seen from the above embodiment, the modified by cardanol phenol formaldehyde foam viscosity of the present invention is low, free phenol content is few, heat-resist.
This is owing to the phenolic hydroxyl group hydrogen in pi-allyl substituted phenolic resin, reducing phenolic resin viscosity, being simultaneously introduced molecular radical
, there is Diels-with the double bond in allyl phenol urea formaldehyde under given conditions in bigger acenaphthene formula many phenyl condensed cyclic structure
Alder reacts, and introduces multiple benzene radicals, makes the resin of synthesis have heat-resisting quantity and thermo oxidative stability
Above in conjunction with specific embodiment, the present invention is carried out exemplary description, it is clear that the realization of the present invention is not by above-mentioned side
The restriction of formula, if the various improvement that the method design that have employed the present invention is carried out with technical scheme, or the most improved by this
Bright design and technical scheme directly apply to other occasion, the most within the scope of the present invention.
Claims (5)
1. acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin, it is characterised in that there is following structure:
Formulas I.
A kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin the most according to claim 1, it is characterised in that
Described phenolic compound be phenol, cresol, xylenol, nonyl phenol, bisphenol-A, resorcinol, propylphenol, ethyl-phenol with
One or more in Cardanol.
A kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin the most according to claim 1, it is characterised in that
Described aldehyde compound is formaldehyde, acetaldehyde, butyraldehyde, polyformaldehyde and one or more in furfural.
A kind of acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin, it is characterised in that institute
Stating catalyst is one or more in the strong base substance such as sodium hydroxide, potassium hydroxide.
5. acenaphthene formula many phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resin preparation method, it is characterised in that this preparation method
Comprise the following steps:
Phenolic compound, catalyst are sequentially added in about 60 ~ 80 DEG C of reactors, then aldehyde compound are dividedly in some parts
In reactor, high-speed stirred makes mix homogeneously, reacts 30-60min, is to slowly warm up to the programming rate of 1～5 DEG C/min
80 ~ 100 DEG C, after constant temperature stirring 1.5-2.5h, it is cooled to room temperature, with neutral with resin liquid in acetic acid, then removes under reduced pressure in system
Little molecule until no liquid discharge, obtaining thick liquid is phenolic resin；
The phenolic resin of synthesis and chloropropene are reacted generation allyl ether phenolic resin, and this resin at high temperature occurs
Claisen rearrangement reaction, and then generate allyl phenol urea formaldehyde；At identical temperature, add acenaphthene formula cyclopentadienone and pi-allyl
There is Diels-Alder reaction in resin, finally gives the many benzene of acenaphthene formula
Base copolymerization pi-allyl phenolic aldehyde activity letdown resin.
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| CN201610809908.6A CN106317356B (en) | 2016-09-08 | 2016-09-08 | A kind of more phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resins of acenaphthene formula and preparation method thereof |
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| CN201610809908.6A CN106317356B (en) | 2016-09-08 | 2016-09-08 | A kind of more phenyl copolymerization pi-allyl phenolic aldehyde activity letdown resins of acenaphthene formula and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189273A (en) * | 2005-02-25 | 2008-05-28 | Si集团有限公司 | Modified novolak resin for use as tackifier |
| CN102947261A (en) * | 2010-04-29 | 2013-02-27 | 陶氏环球技术有限责任公司 | Poly(allyl ether)s of polycyclopentadiene polyphenol |
| CN103038205A (en) * | 2010-04-29 | 2013-04-10 | 陶氏环球技术有限责任公司 | Vinylbenzyl ethers of polycyclopentadiene polyphenol |
| CN103180355A (en) * | 2010-10-26 | 2013-06-26 | 明和化成株式会社 | Phenol-type oligomer and process for production thereof |
-
2016
- 2016-09-08 CN CN201610809908.6A patent/CN106317356B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189273A (en) * | 2005-02-25 | 2008-05-28 | Si集团有限公司 | Modified novolak resin for use as tackifier |
| CN102947261A (en) * | 2010-04-29 | 2013-02-27 | 陶氏环球技术有限责任公司 | Poly(allyl ether)s of polycyclopentadiene polyphenol |
| CN103038205A (en) * | 2010-04-29 | 2013-04-10 | 陶氏环球技术有限责任公司 | Vinylbenzyl ethers of polycyclopentadiene polyphenol |
| CN103180355A (en) * | 2010-10-26 | 2013-06-26 | 明和化成株式会社 | Phenol-type oligomer and process for production thereof |
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